Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (37 commits)
  PCI: merge almost all of pci_32.h and pci_64.h together
  PCI: X86: Introduce and enable PCI domain support
  PCI: Add 'nodomains' boot option, and pci_domains_supported global
  PCI: modify PCI bridge control ISA flag for clarity
  PCI: use _CRS for PCI resource allocation
  PCI: avoid P2P prefetch window for expansion ROMs
  PCI: skip ISA ioresource alignment on some systems
  PCI: remove transparent bridge sizing
  pci: write file size to inode on proc bus file write
  pci: use size stored in proc_dir_entry for proc bus files
  pci: implement "pci=noaer"
  PCI: fix IDE legacy mode resources
  MSI: Use correct data offset for 32-bit MSI in read_msi_msg()
  PCI: Fix incorrect argument order to list_add_tail() in PCI dynamic ID code
  PCI: i386: Compaq EVO N800c needs PCI bus renumbering
  PCI: Remove no longer correct documentation regarding MSI vector assignment
  PCI: re-enable onboard sound on "MSI K8T Neo2-FIR"
  PCI: quirk_vt82c586_acpi: Omit reading PCI revision ID
  PCI: quirk amd_8131_mmrbc: Omit reading pci revision ID
  cpqphp: Use PCI_CLASS_REVISION instead of PCI_REVISION_ID for read
  ...

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index a7381d55663a..30c1400e749e 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -497,6 +497,7 @@ void
 swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
 		      dma_addr_t dma_handle)
 {
+	WARN_ON(irqs_disabled());
 	if (!(vaddr >= (void *)io_tlb_start
                     && vaddr < (void *)io_tlb_end))
 		free_pages((unsigned long) vaddr, get_order(size));